"You shall not hand over to his master a slave who has escaped from his master to you ...
“… the stranger that dwells with you shall be unto you as one born among you, and you shall love him as yourself; “Love you therefore the stranger:…

“Let there be no strife, I pray you, between me and you … for we be brothers. Is not the whole world before us? Separate yourself, I pray you, from me: if you will take the left hand, then I will go to the right; or if…

For I mean not that other men be eased, and you burdened: But ... that there may be equality: (St. Paul, The Bible)
FOUNDING FATHERS' PERSPECTIVE
“It is no doubt very desirable that we should hold out as many inducements as possible…